VERDANT ENVIRONMENTAL TECHNOLOGIES VX Users Manual
VX SERIES
Wireless Thermostat
with Occupancy Sensor
INSTRUCTION MANUAL
Table of Contents
Thermostat Installation ...............................................................................7
Installing the Wireless Control Card ............................................................8
Mounting the thermostat to the wall ......................................................... 9
Thermostat Configuration ......................................................................... 10
Setting the thermostat clock .......................................................................11
Entering the room number ......................................................................... 12
Configuring the Equipment Settings - Compressor Type ........................... 13
Configuring the Equipment Settings - Electric Heat ..................................14
Configuring the Equipment Settings - Reversing Valve ............................. 15
Configuring the Energy Saving Settings ....................................................16
Testing the thermostat ............................................................................... 17
Thermostat Settings....................................................................................18
Accessing the Thermostat Settings ............................................................ 18
FAN ENERGY SAVINGS ................................................................................ 19
ST
STAGE DIFFERENTIAL - HEAT .................................................................20
1
ND
STAGE DIFFERENTIAL - HEAT ................................................................21
2
1ST STAGE DIFFERENTIAL - COOL................................................................22
INCIDENTAL OCCUPANCY THRESHOLD ......................................................23
FORCED 2ND STAGE HEATING ................................................................... 25
NIGHT OCCUPANCY START ........................................................................ 26
NIGHT OCCUPANCY END ............................................................................27
TEMPERATURE RECOVERY TIME ...............................................................28
RECOVERY TEMPERATURE - HEAT ............................................................ 29
TEMPERATURE SETBACK DELAY - HEAT ....................................................30
MINIMUM SETBACK TEMPERATURE .........................................................31
TEMPERATURE SETBACK DELAY - COOL .....................................................32
MAXIMUM SETBACK TEMPERATURE ......................................................... 33
RECOVERY TEMPERATURE - COOL ............................................................ 34
MINIMUM SETPOINT ................................................................................. 35
MAXIMUM SETPOINT .................................................................................36
AUTO CHANGEOVER SETPOINT OFFSET ....................................................37
SETBACK SETPOINTS / AUTO-RESTORE .................................................... 38
3
Table of Contents
Troubleshooting ......................................................................................... 39
Thermostat is not controlling the PTAC unit. ........................................... 39
Error Codes .................................................................................................40
APPENDIX 1 ..................................................................................................41
Warranty .................................................................................................... 42
Technical Specifications .............................................................................44
4 5
Thermostat Installation
BEFORE YOU BEGIN DETERMINE THE APPROPRIATE INSTALLATION
LOCATION FOR THE THERMOSTAT. THE THERMOSTAT SHOULD FACE
THE BED AREA OF THE ROOM.
After the installation, follow the “Thermostat Configuration” Instructions
to correctly configure the thermostat.
For installation of a networking thermostat with remote management,
refer to the “Network Installation” manual.
7
Thermostat Installation
Thermostat Installation
BEFORE YOU BEGIN: Consult PTAC manufacturer’s documentation or use
a voltmeter to determine if the PTAC unit outputs AC or DC power (24V).
If the PTAC unit outputs AC power, make sure that the jumper on the
Wireless Control Card is in the AC position - jumper is connecting “R” and
“COM” pins (Default).
If the PTAC unit outputs DC power, make sure that the jumper on the
Wireless Control Card is in the DC position - jumper is connecting “COM”
and “C” pins.
Installing the Wireless Control Card
➤ Unplug the PTAC unit power cord from the electrical outlet;
➤ Remove the PTAC cover;
➤ Set the PTAC unit to “External Thermostat” (Class 2) mode.
Consult the PTAC unit documentation to determine how to set the
PTAC unit to “External Thermostat” mode.
➤ Connect the wires to screw terminals on the PTAC unit - refer to the
Wiring Table to determine proper connections.
➤ Mount the control card inside of the PTAC unit.
Make sure that the Wireless Control Card antenna is not
touching any metal components of the PTAC unit.
Make sure that the contol card is not and cannot fall into the
PTAC unit Condensation Pan.
➤ Replace the PTAC front cover;
➤ Plug in the PTAC unit power cord into an electrical outlet.
Wiring Table - 24V AC
Wire
Terminal
Color
Black C Common
Yellow Y Compressor
White W Heat
Orange O or B Reverse Valve
Green GH Fan High
Purple GL Fan Low
Mounting the thermostat to the wall
➤ Unscrew the fixing screw and remove the thermostat cover;
➤ Place the thermostat on the wall in the installation location and
➤ Drill three (3) holes in the wall and insert the three (3) wall anchors;
➤ Use three (3) screws to securely mount the thermostat to the wall;
➤ Insert two (2) C-cell batteries into the thermostat battery
➤ Follow the “Thermostat Configuration” instructions to correctly
➤ Replace the thermostat cover and screw in the fixing screw;
Letter
Red R 24V
mark location for drilling holes for the three (3) mounting screws;
compartment;
configure the thermostat.
Terminal
Connection
Wiring Table - 24V DC
Wire
Terminal
Color
Black R 24V
Yellow Y Compressor
White W Heat
Orange O or B Reverse Valve
Green GH Fan High
Purple GL Fan Low
Letter
Red C Common
Terminal
Connection
8 9
Thermostat ConfigurationThermostat Configuration
Once the thermostat is powered, thermostat configuration settings will
appear on the thermostat screen.
In order to properly operate the PTAC unit:
➤ Set the thermostat clock;
➤ Enter the room number;
➤ Configure the equipment settings;
➤ Select Energy Savings Preset;
CONFIGURATION
BUTTON
NOTE: You can access Thermostat
Configuration settings by pressing
the “Configuration” button. Use
➤ Use the “Up” and “Down” buttons to change the setting;
➤ Press the “Fan” button to advance to the next setting;
➤ Press the “F/C” button to advance to the next configuration screen;
➤ Press the “Power” button to save and exit configuration;
NOTE: If the thermostat is connected to a network, the equipment
settings configured on the thermostat will be ignored and the
thermostat settings configured through the network will be applied.
Setting the thermostat clock
Set the thermostat clock to current time.
➤ Use the “Up” and “Down” buttons to set the hours;
➤ Press the “Fan” button to set the minutes;
➤ Use the “Up” an “Down” buttons to set the minutes;
➤ Press the “F/C” button to advance to the next menu;
Setting the clock correctly is crucial for proper operation of the
thermostat.
10 11
Thermostat Configuration Thermostat Configuration
Entering the room number
Enter the room number by changing the digits on the screen. Leading
zeros “0” preceding other digits will be ignored, i.e. Room number “123”
should be entered as “00123”.
➤ Use the “Up” and “Down” buttons to change the digit;
➤ Press the “Fan” button advance to the next digit;
➤ Press the “F/C” button to advance to the next menu;
Entering room number correctly is crucial for proper operation of
networked thermostats.
Configuring the Equipment Settings - Compressor Type
➤ Use the “Up” and “Down” buttons to change the compressor type by
changing the first digit;
0 No Compressor
1 * Heat Pump
2 Air Conditioner
➤ Press the “Fan” button to advance to the next setting;
12 13
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